| LST | Linux Support Team |
| CIT | communications Improvement Team |
| IMT | Information Managment Team |
| JVT | Joint Video Team |
| COMPACT | Commercial Product Acquisition Team |
| SCAT | Stromberg-Carlson Assistance Team |
| TWSC | Team World Service Center |
| CERT | Computer Emergency Response Team [DFN] |
| CPT | COSINE Project Management Team |
| ESMT | Extreme Sports Medicine Team |
| RD | Resource Discovery |
| KD | Knowledge Discovery |
| AVERT | Antivirus Emergency Response Team [NAI] [engl.] |
| CERT | Computer Emergency Response Team [engl.] Internet-Gruppe für den Einsatz bei Sicherheitsproblemen |
| HERT | HERT/Hackers' Emergency Response Team |
| ISQIT | Information Systems Quality Improvement Team |
| KDF | Knowledge Discovery Framework |
| MLD | Multicast Listener Discovery |
| RDS | Resolver Discovery Service |
| DDS | Delegation Discovery System |
| KDS | Knowledge Discovery System |
| LDS | Lotus Discovery Server |
| SDP | Service Discovery Protocol |
| NIDR | Networked Information Discovery and Retrieval |
| DUNDI | Distributed Universal Number Discovery |
| SSDP | Simple Service Discovery Protocol |
| CDP | Cisco Discovery Protocol [engl.] Firmenspezifischer Standard |
| ESDP | Enhanced Service Discovery Profile |
| UDDI | Universal Descrition Discovery and Integration |
| WSRD | Worldwide Software Resource Discovery |
| EUN | Vereintes Team der Nachfolgestaaten der Sowjetunion [nur 1992] - Olympische Länderkennung |
| CNIDR | Clearinghouse for Networked Information Discovery and Retrieval |
| ROADS | Resource Organisation And Discovery in Subject-based services |
| CTC | Channel To Channel |
| MCH | Maintenance Channel |
| DCH | D Channel Handler |
| IPFC | IP over Fibre Channel |
| PCH | Parallel CHannel |
| IBOC | In Band On Channel |
| FCIP | Fiber Channel over IP |
| PCH | Paging Channel |
| TCH | Traffic Channel Sprachkanal in einem GSM-Netz |
| CHAP | Channel Processor |
| TFC | Traffic Channel |
| CHCK | Channel Check |
| CHOP | Channel Operator |
| ZCR | Zero Channel RAID |
| ICP | Integrated Channel Processor |
| TMC | Traffic Message Channel |
| TVC | Transient Virtual Channel |